Galapagos tortoises are extraordinary. They're the largest tortoises in the world, they can live for over 150 years, and they carry around huge, bony shells that they can hide inside if they feel threatened. Sadly, despite their size they are gentle giants, and over the last few hundred years they haven't been too good at fending off predators.

Tortoises also played a very interesting part in the history of natural science. When Charles Darwin, who was an early 'fellow' of ZSL, visited the Galapagos in 1835, he learnt of variations in the tortoises from different islands. Later on these observations would help him form his revolutionary new theory of 'natural selection'.

Galapagos tortoises came under threat when humans arrived at the islands and hunted them for food, causing 3 of the 14 species to vanish completely. Very little hunting occurs these days, but the tortoises are still threatened by domestic animals brought to the islands by passing ships, tourism, and disease.

ZSL and other organizations are helping keep the tortoises safe, by running field conservation projects in the Galapagos Islands, and finding out about disease threats to Galapagos flora and fauna.

'Giants of the Galapagos' will consist of indoor and outdoor areas with fantastic viewing points for visitors in a barrier free environment.

The exhibit will be styled on the tortoises' natural habitat and will consist of watering holes and mud wallows and will also feature fun and educational interpretation giving all ages the chance to learn about the Galapagos, compare their weight to one of these gentle giants and hear some of Darwin's observations when he visited the islands in 1835.

Visitors will be able to view these gentle giants in their fantastic enclosure!

Keepers have named the young male sloth Edward after Johnny Depp’s famous character, Edward Scissorhands, due to his impressive claws - which will grow up to four inches in length and enable him to cling on and climb easily through the tree-top branches of his Rainforest Life home.

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Giants of the Galapagos exhibit is part of ZSL’s ongoing integrated conservation programme. We are delighted that we have been able to raise a further £25,000 for conservation in this region. ZSL is currently discussing with its Ecuadorian partners on how best to use this money to help build capacity and a legacy within Ecuador.